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Interim Director, Huffines Institute
Curriculum Vitae
Dr. Yentes' research focus at Texas A&M is primarily on functional resiliency and reserve in older adults. Currently she is working with collaborators at Texas A&M to quantify the amount of reserve a person has in their ability to walk, remember things, and adapt to a high demand exercise session. She hopes to use reserve from multiple activities to create a general, whole body estimate of reserve.

Her previous research focused on functional outcomes in those that suffer from pulmonary disease, namely chronic obstructive pulmonary disease. Dr. Yentes’ group were the first to document biomechanical changes in gait in persons with chronic obstructive pulmonary disease. She has also explored the clinical utility of locomotor respiratory coupling in this population. Her research has shown that non-varying coupling is related to energy expenditure.

In addition, Dr. Yentes has published several methods papers regarding the use of nonlinear algorithms such as sample entropy with human movement data. Her work in this area has pushed for increased transparency regarding selection of parameters to be used in such algorithms, as many findings can be an artifact of parameter choice. She hopes to continue her work in this area, cultivating proper use and interpretation of nonlinear data.

Ph.D., Biomechanics, University of Nebraska (2013)
M.S., Kinesiology, California State University Fullerton (2006)
B.A., Kinesiology, University of Northern Colorado (2000)
Sydney & J.L. Huffines Institute of Sports Medicine and Human Performance
Center for Population Health and Aging
Center for Remote Health Technologies & Systems, Texas A&M Engineering Experiment Station
Center for Translational Research in Aging and Longevity
Highlighed Publications
Yentes JM, Liu WY, Zhang K, Markvicka E, Rennard SI. Updated perspectives on the role of biomechanics in COPD: considerations for the clinician. International Journal of Chronic Obstructive Pulmonary Disease, 17:2653-2675, 2022.
Yentes JM, Raffalt PC. Entropy analysis in gait research – methodological recommendation and current observations. Annals of Biomedical Engineering, 49(3):979-990, 2021.
Books and Monographs
Journal Articles
Fallahtafti F, Bruijn SM, Mohammadzadeh G, Santarashan M, Boron JB, Curtze C, Siu KC, Myers SA, Yentes JM. Trunk velocity changes in response to physical perturbations are potential indicators of gait stability. Sensors, 23(5):2833, 2023. [published with student]
Raffalt PC, Yentes JM, Freitas S, Vaz JP. Calculating sample entropy from isometric torque signals: methodological considerations and recommendations. Frontiers in Physiology, section Exercise Physiology, 14:1173702, 2023.
Raffalt PC, Yentes JM, Spedden ME. Isometric force complexity may not fully originate from the nervous system. Human Movement Science, 90:103111, 2023.
Sado T, Motz Z, Yentes JM, Mukherjee M. Passive exoskeleton assisted treadmill walking reduces duration and synchrony of inter-limb coordination. Frontiers in Physiology, section Fractal Physiology, 13:916185, 2022. PMC9234753. [published with student]
FallahTafti F, Boron JB, Venema DM, Kim HJ, Yentes JM. Task specificity impacts dual-task interference in older adults. Aging Clinical and Experimental Research, 33(3):581-587, 2021. PMC7644578. [published with student]
Fallahtafti F, Gonabadi AM, Samson K, Yentes JM. Margin of stability may be larger and less variable during treadmill walking versus overground. Biomechanics, 1(1):118-130, 2021. PMC8372237. [published with student]
Fallahtafti F, Wurdeman S, Yentes JM. Sampling rate influences the regularity analysis of temporal domain measures of walking more than spatial domain measures. Gait & Posture, 88:216-220, 2021. [published with student]
Baudendistel S, Rosen A, Grindstaff TL, Yentes JM. Bimanual load alters sway patterns and step width. Applied Ergonomics, 84:103030, 2020. PMC7001146. [published with student]
Fallah Tafti F, Curtze C, Yentes JM. Chronic obstructive pulmonary disease patients increase medio-lateral stability and limit changes in antero-posterior stability to curb energy expenditure. Gait and Posture, 75:142-148, 2020. PMC6889081. [published with student]
FallahTafti F, Watson K, Boron JB, Myers SA, Schmid KK, Yentes JM. Strength of plantar- and dorsiflexors mediates step regularity during dual-motor task in a cross-sectional cohort of older and younger adults. Journal of Geriatric Physical Therapy, 43(4):E45-52, 2020. PMC7295662. [published with student]
Liu WY, Schmid KK, Meijer K, Wouters EFM, Spruit MA, Yentes JM. Patients with COPD walk with less consistent organization of movement patterns of the lower extremity. Respiratory Care, 65(2):158-168, 2020. PMC7055489. [published with student]
McGrath ML, Yentes JM, Rosen AB. Cognitive loading produces similar changes in postural stability in patients with chronic ankle instability and controls. Athletic Training and Sports Health Care, 12(6):249-256, 2020.
Raffalt PC, Yentes JM. On the application of entropic half-life and statistical persistence decay for quantification of time dependency in human gait. Journal of Biomechanics, 108:109893, 2020. PMC7871423.
Yentes JM, Fallahtafti F, Denton W, Rennard SI. COPD patients have a restricted breathing pattern that persists with increased metabolic demands. COPD: Journal of Chronic Obstructive Pulmonary Disease, 17(3):245-252, 2020. PMC7332397.
Leeder T, Fallahtafti F, Schieber M, Myers SA, Boron JB, Yentes JM. Optic flow improves step width and length in older adults while performing dual task. Aging Clinical and Experimental Research, 31(8):1077-1086, 2019. PMC6486470. [published with student]
2019 Promising Scientist Award, International Society of Posture and Gait Research
2019 Outstanding Achievement Award, University of Nebraska at Omaha Chancellor's Commission on the Status of Women